Wang Sheng is the son of a prince, making him the young master of the Wang family. His father forces him into a marriage with Chen Peirong. Peirong is unwilling to marry Wang Sheng but is coerced into the marriage when her family is threatened. Unhappy about the forced marriage, Wang Sheng runs away.

While hiding from his father's guards, he encounters Xu Xu, a fox demon in her animal form. She is trapped in a demon trap (which looks similar to a hunting trap). Feeling sorry for her, Wang Sheng releases Xu Xu from the trap. In the time that it took time to free Xu Xu, his father's guards catch up with him. Wang Sheng agrees to go home with them. Grateful to Wang Sheng for saving her, Xu Xu, takes on human form and decides to look for him to thank him.

On the day of Wang Sheng's wedding, both Wang Sheng and Peirong plam to escape together. Mrs Wang, Wang Sheng's mother agrees to help them escape as she feels sorry for them.

Meanwhile, while on her search for Wang Sheng, Xu Xu encounters Old Xia and Xia Bing, his female disciple; they are demon hunters. Although they are demon hunters, Xu Xu somehow manages to befriend Xia Bing.